How to raise silk-worms.
Subtitle: A brief manual of instructions, abridged from Bulletin 9 of the Division of Entomology.
By: By Philip Walker ...
Series: United States. Dept. of Agriculture. Silk Section. Bulletin; 1
Publisher: Gov't. Print. Off.
Published: 1890
Place of publication: Washington
Language: eng
Number of pages: 16
Subjects: Silkworm